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On-Board FastRegen Control Module Programming and Operation Instructions
P/N 8040406
3-49
C
HELIX TECHNOLOGY CORPORATION
-
TI
CRYOGENICS
Purge Valve Open/Closed
CAUTION
Opening the purge valve when the On-Board Cryopump is turned ON
may contaminate the cryopump arrays. A message is displayed on the
keypad/display warning you about this potential problem.
The fifth parameter of the CONTROL function allows you to open or close
the purge valve as shown in Figure 3-44.
Figure 3-44: Purge Valve Open/Closed Display
Last
Next
Clear
MONITOR
REGEN
SERVICE
CONTROL
RELAYS
HELP
oo
ON
-BOARD
®
Enter
1
2
3
4
5
6
7
8
9
-
0
.
PURGE V OPEN
Last
Next
Clear
MONITOR
REGEN
SERVICE
CONTROL
RELAYS
HELP
oo
ON
-BOARD
®
Enter
1
2
3
4
5
6
7
8
9
-
0
.
PURGE V CLOSED